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/*
This file is part of TALER
(C) 2014, 2015 GNUnet e.V. and INRIA
TALER is free software; you can redistribute it and/or modify it under the
terms of the GNU Affero General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
TALER is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
* @file taler-merchant-httpd_auditors.h
* @brief logic this HTTPD keeps for each exchange we interact with
* @author Marcello Stanisci
* @author Christian Grothoff
*/
#ifndef TALER_MERCHANT_HTTPD_AUDITORS_H
#define TALER_MERCHANT_HTTPD_AUDITORS_H
#include <jansson.h>
#include <gnunet/gnunet_util_lib.h>
#include <taler/taler_util.h>
#include <taler/taler_exchange_service.h>
#include "taler-merchant-httpd.h"
/**
* JSON representation of the auditors accepted by this exchange.
*/
extern json_t *j_auditors;
/**
* Parses auditor information from the configuration.
*
* @param cfg the configuration
* @return the number of auditors found; #GNUNET_SYSERR upon error in
* parsing.
*/
int
TMH_AUDITORS_init (const struct GNUNET_CONFIGURATION_Handle *cfg);
/**
* Check if the given @a dk issued by exchange @a mh is audited by
* an auditor that is acceptable for this merchant. (And if the
* denomination is not yet expired or something silly like that.)
*
* @param mh exchange issuing @a dk
* @param dk a denomination issued by @a mh
* @param exchange_trusted true if the exchange of @a dk is trusted by config
* @param[out] hc set to the HTTP status code to return
* @param[out] ec set to the Taler error code to return
* @return #GNUNET_OK on success
*/
int
TMH_AUDITORS_check_dk (struct TALER_EXCHANGE_Handle *mh,
const struct TALER_EXCHANGE_DenomPublicKey *dk,
bool exchange_trusted,
unsigned int *hc,
enum TALER_ErrorCode *ec);
/**
* Release auditor information state.
*/
void
TMH_AUDITORS_done (void);
#endif
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